App
Customer Support
EUR
Search Bookings
Trip.com
>
Flights
>
Flights to Koh Samui
>
St. Louis to Koh Samui flight
>
St. Louis Lambert International Airport to Samui International Airport flight
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from St. Louis Lambert International Airport to Samui International Airport

Search for flights from St. Louis to Koh Samui and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • STL07:08
        47h 27m
        2 stops
        USM18:35
        St. Louis - Koh Samui|Sat, May 25|American Airlines
        €1,634€4,564
        64% OFF
        64% OFF
        €4,564€1,634
      • STL17:25
        37h 10m
        2 stops
        USM18:35
        St. Louis - Koh Samui|Sat, May 25|United Airlines
        €3,556€4,564
        22% OFF
        22% OFF
        €4,564€3,556
      • STL18:02
        36h 33m
        2 stops
        USM18:35
        St. Louis - Koh Samui|Sat, May 25|Alaska Airlines
        €3,858€4,564
        15% OFF
        15% OFF
        €4,564€3,858
      • STL16:05
        38h 30m
        2 stops
        USM18:35
        St. Louis - Koh Samui|Sat, May 25|Air Canada
        €3,859
        €3,859
      • STL18:02
        36h 33m
        2 stops
        USM18:35
        St. Louis - Koh Samui|Sat, May 25|Cathay Pacific
        €3,880
        €3,880
      • STL13:00
        3h 5m
        Direct
        USM14:00
        St. Louis - Koh Samui|Wed, May 29|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis Lambert International Airport to Samui International Airport

See which airlines fly from St. Louis to Koh Samui. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From €1,634
Cathay Pacific
From €2,570
United Airlines
From €3,556
Lufthansa
From €3,817
Alaska Airlines
From €3,858
Air Canada
From €3,859
ANA airlines
Find more flights and airlines
Flight Schedule from St. Louis Lambert International Airport to Samui International Airport

Check the schedule for flights from St. Louis to Koh Samui and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. CX7740

    Cathay Pacific

    07:00

    STL

    3.9h

    08:52

    LAX

    SMTWTFS
    Search

  2. CX885

    Cathay Pacific

    13:15

    LAX

    14.7h

    18:55

    HKG

    --T-T-S

  3. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  4. CX7740

    Cathay Pacific

    07:00

    STL

    3.9h

    08:52

    LAX

    SMTWTFS
    Search

  5. CX881

    Cathay Pacific

    01:15

    LAX

    14.5h

    06:45

    HKG

    SMTWTFS

  6. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  7. AA601

    American Airlines

    08:08

    STL

    2.4h

    11:29

    LGA

    SMTWTF-
    Search

  8. CX831

    Cathay Pacific

    14:55

    JFK

    15.9h

    18:50

    HKG

    S-TWTFS

  9. PG806

    Bangkok Airways

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  10. CX7611

    Cathay Pacific

    09:55

    STL

    1.3h

    11:15

    ORD

    -M-WTFS
    Search

  11. CX801

    Cathay Pacific

    16:05

    ORD

    15.7h

    20:45

    HKG

    -M-WTFS

  12. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  13. LH449

    Lufthansa

    15:25

    STL

    8.9h

    07:20

    FRA

    --T-T-S
    Search

  14. LH778

    Lufthansa

    21:55

    FRA

    12.4h

    16:20

    SIN

    SMTWTFS

  15. PG962

    Bangkok Airways

    20:15

    SIN

    2.0h

    21:15

    USM

    SMTWTFS

  16. AC8972

    Air Canada

    16:05

    STL

    2.0h

    19:04

    YYZ

    SMTWTFS
    Search

  17. CX829

    Cathay Pacific

    01:40

    YYZ

    15.3h

    05:00

    HKG

    SMTWTFS

  18. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  19. UA1077

    United Airlines

    17:25

    STL

    2.5h

    20:54

    EWR

    SM-WTFS
    Search

  20. CX843

    Cathay Pacific

    01:55

    JFK

    15.7h

    05:35

    HKG

    SMTWTFS

  21. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  22. AS4196

    Alaska Airlines

    18:02

    STL

    4.0h

    20:04

    LAX

    SMTWTFS
    Search

  23. CX881

    Cathay Pacific

    01:15

    LAX

    14.5h

    06:45

    HKG

    SMTWTFS

  24. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS

  25. AS4196

    Alaska Airlines

    18:02

    STL

    4.0h

    20:04

    LAX

    SMTWTFS
    Search

  26. CX883

    Cathay Pacific

    00:15

    LAX

    14.5h

    05:45

    HKG

    S--W-F-

  27. CX6503

    Cathay Pacific

    16:15

    HKG

    3.3h

    18:35

    USM

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to Samui International Airport Flights Info

Flight distance14,553.29km
Cheapest one-way ticket price€1,634
Cheapest return ticket price€2,458

FAQs for St. Louis Lambert International Airport to Samui International Airport Flights

  • What is the transportation method from the main airport to downtown in Koh Samui?

    • The distance from Samui International Airport to downtown is about 3km. It takes about 20 minutes by taxi.

  • What's the closest airport to Samui International Airport (USM)?

    The closest airport to Samui International Airport (USM) is Pauloff Harbour. The distance is around 15km.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.